FILE - In this Nov. 4, 2015 file photo, Democratic presidential candidate Sen. Bernie Sanders, I-Vt. speaks during a news conference on Capitol Hill in Washington. The Democratic presidential field this weekend will try to woo African-American voters in South Carolina, a critical early voting state. With her national poling numbers on the rise after a summer slump, frontrunner Hillary Rodham Clinton hopes to solidify her primary edge with minority voters. She’s expanding on her criminal justice policy, rolling out a series of new proposals that would reduce mandatory minimum sentencing for non-violent drug offenders, grant greater discretion to judges and retroactively eliminate the five-year minimum sentance for possession of crack cocaine. -AP Photo/Pablo Martinez Monsivais, File

Travellers line up at a travel agency desk in Domodedovo airport in Moscow as their flight to Egypt is cancelled, on Saturday, Nov. 7, 2015. Russia has suspended all flights to Egypt until aviation security procedures improve, but some Russians apparently did not hear the news. Russian carrier Metrojet's Airbus A321-200 crashed shortly after takeoff from the Sharm el-Sheikh airport in Egypt on Oct. 31, killing all 224 people on board. -AP Photo/Alexander Zemlianichenko

This Wednesday, Nov. 4, 2015 photo shows the intersection near the Marksville State Historical Site where Marksville Ward Marshals chased a man in his car Tuesday night and pinned him in before the man backed into one of their vehicles and Marshals opened fire. A six-year-old boy, allegedly the son of the driver, was hit and killed in the gunfire. The driver was wounded. -AP Photo/The Baton Rouge Advocate,Patrick Dennis

FILE - In this Oct. 15, 2015 file photo, Colorado State Penitentiary II, background, sits vacant inside a larger correctional complex, outside Canon City, in southern Colorado. The Pentagon is expected to roll out a plan next week outlining its long-stalled effort to close the Guantanamo Bay detention center, and will include details suggesting the Centennial Correctional Facility in Colorado is a more suitable site to send detainees that officials believe should never be released. -AP Photo/Brennan Linsley, File

Protesters opposed to the appearance of Republican presidential candidate Donald Trump's appearance as a guest host on this weekend's "Saturday Night Live," shout anti-Trump slogans as they demonstrate in front of NBC Studios where the show is taped and broadcast, Wednesday, Nov. 4, 2015, in New York. Pressure mounted on NBC to cancel Trump's invitation after a coalition of advocacy groups delivered petitions to the network calling for Trump to be dropped from the show. -AP Photo/Kathy Willens

A Norway Spruce at least 75 feet high, from Gardiner, N.Y., draws attention after being placed in its new location as the 2015 Rockefeller Center Christmas tree, Friday, Nov. 6, 2015, in New York. -AP Photo/Bebeto Matthews

FILE - In this July 14, 2015, file photo, Daniel Negreanu, right, looks at Joseph McKeehen as they play at the World Series of Poker Main Event in Las Vegas. The Main Event returns Sunday, Nov. 8, with nine competitors playing for a $7.6 million prize to the victor in a three-day marathon. -AP Photo/John Locher, File

This undated photo provided by Cuyahoga County Prosecutors Office shows Bobby Hernandez. Hernandez is charged with tampering with records in Ohio to get a driver's license and that police say he'll face abduction charges in Alabama. Authorities say Julian Hernandez was 5 when his mother reported him missing, and he's now 18. They say he had apparently been living in Ohio under an assumed name with his father, Bobby Hernandez. -Cuyahoga County Prosecutors Office via AP